How does the Java framework security architecture design prevent CSRF attacks?

The Java framework prevents CSRF attacks through the following methods: Verify CSRF Token: The server verifies whether the CSRF Token in the request matches the Token in the Session. Synchronizer Token Pattern (STP): Using a token associated with a specific form or link, the server verifies that the token matches the token sent when the form/link is submitted or clicked. Double Submit Cookies: Use two cookies to verify that the request is from a valid user.

Java Framework Security Architecture Design: Preventing CSRF Attacks

Introduction

Cross A site request forgery (CSRF) attack is a type of cyber attack in which an attacker tricks a victim into performing unauthorized actions on a target website. This article will introduce how Java frameworks design security architecture to prevent CSRF attacks.

Methods to prevent CSRF attacks in Java framework

1. Verify CSRF Token

• CSRF Token is A random string generated when the user logs in and stored in the Session.
• Every time the user sends a request to the server, the CSRF Token will be included.
• The server will verify whether the CSRF Token in the request matches the Token in the Session. If there is no match, the request is rejected.

2. Synchronizer Token Pattern (STP)

• STP is a special CSRF Token that is associated with a specific form or link.
• STP changes as the form or link is submitted or clicked.
• The server includes STP in a form or linked view. The same STP is also sent by the client when submitting or clicking on a form/link.
• The server verifies that the STP matches the form/link's STP.

3. Double Submit Cookies

• This method uses two cookies to prevent CSRF attacks.
• One cookie is used to store the CSRF Token, and the other cookie is used to track the user session.
• The request contains a cookie containing the CSRF Token, and a cookie containing the user session ID.
• The server verifies the values ​​of these two cookies to ensure that the request comes from a valid user.

Practical case

Using Spring Security to prevent CSRF attacks:

public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            // 启用 CSRF 保护
            .csrf()
            // 使用 Synchronizer Token Pattern
            .csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse());
    }

}

Conclusion

By using the methods shown in the code, the Java framework can design a security architecture to effectively prevent CSRF attacks. These methods verify the CSRF Token to ensure that only authorized users can perform actions on the target website.

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